SQL injection vulnerability in the Downloads module for unknown versions of PostNuke allows remote attackers to execute arbitrary SQL commands via the lid parameter in a viewdownloaddetails operation. NOTE: this issue might have been in the viewdownloaddetails function in dl-downloaddetails.php, but PostNuke 0.764 does not appear to have this issue.

Directory traversal vulnerability in pnadminapi.php in the Xanthia module in PostNuke 0.760-RC3 allows remote administrators to read arbitrary files via a .. (dot dot) in the skin parameter.

Multiple cross-site scripting (XSS) vulnerabilities in PostNuke 0.750 and 0.760RC3 allow remote attackers to inject arbitrary web script or HTML via the (1) skin or (2) paletteid parameter to demo.php in the Xanthia module, or (3) the serverName parameter to config.php in the Multisites (aka NS-Multisites) module.

Multiple cross-site scripting (XSS) vulnerabilities in the RSS module in PostNuke 0.750 and 0.760RC2 and RC3 allow remote attackers to inject arbitrary web script or HTML via the (1) rss_url parameter to magpie_slashbox.php, or the url parameter to (2) magpie_simple.php or (3) magpie_debug.php.

SQL injection vulnerability in pnadmin.php in the Xanthia module in PostNuke 0.760-RC3 allows remote administrators to execute arbitrary SQL commands via the riga[0] parameter.

Directory traversal vulnerability in the pnModFunc function in pnMod.php for PostNuke 0.750 through 0.760rc4 allows remote attackers to read arbitrary files via a .. (dot dot) in the func parameter to index.php.

The modload op in the Reviews module for PostNuke 0.760-RC3 allows remote attackers to obtain sensitive information via an invalid id parameter, which reveals the path in a PHP error message.

Multiple cross-site scripting vulnerabilities in PostNuke 0.760-RC3 allow remote attackers to inject arbitrary web script or HTML via the (1) module parameter to admin.php or (2) op parameter to user.php. NOTE: the vendor reports that certain issues could not be reproduced for 760 RC3, or for .750. However, the op/user.php issue exists when the pnAntiCracker setting is disabled.

SQL injection vulnerability in modules.php in PostNuke 0.760 RC3 allows remote attackers to execute arbitrary SQL statements via the sid parameter. NOTE: the vendor reports that they could not reproduce the issues for 760 RC3, or for .750.